1 to 25 of 49 JSON Jobs in London

and improving system performance Collaborating with senior engineers and learning best practices Tech you'll use: C# and .NET Core or Framework SQL Server HTML, CSS, JavaScript REST APIs, JSON, HTTP Any frontend framework like React, Angular, or Blazor Nice to have: Interest in authentication protocols like OAuth2, SAML, or OpenID Connect Familiarity with Azure AD or Active Directory Experience More ❯

Role Description:Skills Required:• Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON• ServiceNow Developer certification is a plus• Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.)• Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator)• Micro-services architecture More ❯

candidates will have at least 6 years full stack development experience with : JavaScript React or Angular Node.js HTML CSS Agile And nice to have : MongoDB GraphQL REST API’s JSON Redis SQL Databases Typescript This is a great opportunity to join an established Team of 8 other Developers. If this sounds like the right opportunity for you please do send More ❯

IR35) Role Description: Skills Required: • Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON • ServiceNow Developer certification is a plus • Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) • Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) • Micro-services More ❯

IR35) Role Description: Skills Required: Understanding of the key technologies relevant to the ServiceNow integration solutions including: SSO, SAML, SSL, Web Services, LDAP, JDBC, ODBC, REST, SOAP, SCP, FTPS, JSON ServiceNow Developer certification is a plus Experience with other ITSM software (BMC Remedy ITSM, HP, Landesk, etc.) Experience with orchestration tools (ex. HP Operations Orchestrator, BMC Atrium Orchestrator) Micro-services More ❯

/Zellis (HR and payroll) or similar finance/HR systems via REST or OData APIs Proficient in Power Fx, JavaScript/TypeScript, .NET C#, T-SQL, DAX and JSON Experience with Azure Functions, Logic Apps, Service Bus, API Management and DevOps pipelines More ❯

stakeholder influence skills. Practical experience with a major cloud platform (AWS, Azure, or GCP). Hands-on experience with Snowflake and dbt. Familiarity with varied data formats including CSV, JSON, and XML. Deep understanding of data modelling and data architecture principles. Any domain experience with the data for loyalty, travel (airline, hotels, cruises) or finance systems is beneficial. Reasonable Adjustments More ❯

architecture (latency budget, throughput, HA & DR, observability). Own protocol & data model standards for client to venue and internal flows (eg FIX 4.4/5.0, REST/gRPC, protobuf, JSON) Hands on Engineering Lead development of price engine, negotiation logic and execution gateways in the target architecture Implement ultra low latency market data handlers and multicast publishers Introduce automated performance More ❯

focus on backend and API testing • Proficient in JavaScript programming language. • Hands-on experience with API testing tools and frameworks (e.g., Postman, Pytest, Requests) • Solid understanding of RESTful APIs, JSON, XML, and other data formats • Experience with PostgreSQL or other relational databases for test data management • Familiarity with React and front-end testing frameworks (e.g., Selenium, Cypress) is a plus More ❯

workload and priorities in a remote-friendly setting Extensive hands-on WordPress development experience Strong knowledge of PHP, JavaScript, React, and Gutenberg Experience with custom blocks, RSS feeds, and JSON APIs Solid understanding of front-end performance and web standards Familiar with Git and version control principles Experience working in Agile teams and using tools like JIRA Excellent communication skills More ❯

later, with strong understanding of memory management, concurrency, and object-oriented design. Hands-on experience with AngularJS and front-end development (HTML, CSS, JavaScript). Familiarity with REST APIs, JSON, and web service integration. Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills across the stack. Familiar with version More ❯

later, with strong understanding of memory management, concurrency, and object-oriented design. Hands-on experience with AngularJS and front-end development (HTML, CSS, JavaScript). Familiarity with REST APIs, JSON, and web service integration. Experience working in software maintenance/support roles with bug fixing and system enhancements. Strong debugging and problem-solving skills across the stack. Familiar with version More ❯

campaign logic using languages such as Python or Golang. Develop and maintain integrations between Braze and internal platforms. Support the build and optimisation of campaign templates using tools like JSON, Liquid, Handlebars, MJML. Collaborate with product and marketing stakeholders to translate requirements into scalable technical solutions. Own medium-sized technical problems and deliver working, well-documented solutions. Contribute to code More ❯

ZOS Connect EE, DB2 Rest, and CICS web services. Utilize development tools such as FileAid, Xpeditor, IBM Explorer for ZOS API, and Visual Studio. Work with SOAP, WSDL, and JSON for web services development. Manage code repositories, bug tracking tools, and wikis using Gitlab, Endevor, JIRA, and Confluence. Implement DevOps and Agile methodologies, including CI/CD practices with Jenkins. More ❯

development. Expert in C++11 or later , with a strong grasp of memory management, OOP, and concurrency. Skilled in AngularJS , HTML/CSS , and JavaScript . Experience with REST APIs , JSON, and version control (Git). Solid understanding of Agile frameworks (Kanban, Scrum). Why Join Us? Work on industry-defining self-service technologies Collaborate with top-tier engineers in a More ❯

automation frameworks for data quality checks, data mappings, transformations, ETL processes, and reconciliation scripts using Python or equivalent programming languages. Proficiency in working with large data sets in XML, JSON, and CSV formats to validate data transformations and mappings. Strong knowledge of databases, SQL, ETL processes, and data warehousing concepts. Ability to interpret specifications, data maps, data models, and automated More ❯

expertise in multiple areas of the ServiceNow platform, including functionality, database structure, developer APIs, and development tools. Proficient in Web Technologies (e.g., JavaScript, SOAP/REST web services, XML & JSON). An open and friendly personality with strong customer-facing skills in both a virtual and face to face setting (including the ability to deliver presentations/feedback). Ability More ❯

typescript Thorough understanding of React.js and its core principles Experience with Redux and RTK (RTKQuery also a bonus) Familiarity with RESTful APIs Knowledge of modern authorization mechanisms, such as JSON Web Token Familiarity with modern front-end build pipelines and tools (Github actions a bonus) Experience with common front-end development tools such as Babel, Webpack, NPM, etc. Ability to More ❯

on experience with Dynamics 365 Customer Engagement (D365 CE), including entity customisation and integration. Proficiency in Power Automate, Dataverse, and Common Data Service (CDS). Familiarity with REST APIs, JSON, and OData. Experience with Azure services such as Azure Functions, Service Bus, and Key Vault is a plus. Strong problem-solving skills and attention to detail. Preferred Qualifications: Microsoft certifications More ❯

Bring: At least 5 years' experience in web development Strong proficiency in WordPress front-end and back-end development (HTML5, CSS/Sass, JavaScript, PHP, MySQL, WP REST API, JSON) Proven experience with Headless CMS builds Working knowledge of DevOps and SysAdmin tools such as CI, DNS, and CDNs Familiarity with responsive design, accessibility, and UX best practices Solid grasp More ❯

Bring: At least 5 years' experience in web development Strong proficiency in WordPress front-end and back-end development (HTML5, CSS/Sass, JavaScript, PHP, MySQL, WP REST API, JSON) Proven experience with Headless CMS builds Working knowledge of DevOps and SysAdmin tools such as CI, DNS, and CDNs Familiarity with responsive design, accessibility, and UX best practices Solid grasp More ❯

need: * In-depth understanding of the Dynamics 365 Customer Engagement (CE) platform, including its architecture, entities, relationships, security model, and customisation. * Proficiency in programming languages including C#, JavaScript and JSON with strong knowledge in Dynamics CRM and Power Platform, Unified Service Desk (USD), SQL Server Reporting Services (SSRS), SSIS packages development and Azure Cloud and integration. * Proficiency in developing plugins More ❯

need:* In-depth understanding of the Dynamics 365 Customer Engagement (CE) platform, including its architecture, entities, relationships, security model, and customisation.* Proficiency in programming languages including C#, JavaScript and JSON with strong knowledge in Dynamics CRM and Power Platform, Unified Service Desk (USD), SQL Server Reporting Services (SSRS), SSIS packages development and Azure Cloud and integration.* Proficiency in developing plugins More ❯

IAM architectures and implementing cloud computing solutions (AWS preferred). Strong knowledge of security architecture, LDAP, Active Directory, SAML, SSO OAuth2, OpenID Connect and web protocols like XML, SOAP, JSON, and REST. Familiarity with access control models such as RBAC, ABAC and ReBAC. Enthusiasm to work with and learn more about Identity Protocols like OAuth2, OIDC, and SAML. Experience with More ❯

expertise in ETL workflows, APIs, and real-time data syncs Demonstrated familiarity with the Adobe Suite (e.g., Adobe Analytics, Adobe Launch, Adobe Marketo, Adobe Target) Familiarity with JavaScript, SQL, JSON, and cloud environments (e.g., AWS, Azure) Understanding of customer lifecycle and how data supports cross-channel engagement Ability to communicate complex data concepts to marketing and business stakeholders Additional Preferred More ❯